Noisli is exactly what you think it is – noises! Noisli is an app that allows you to choose your own sounds and create mixes that you personally enjoy. You can create mixes for sleep, working, relaxation, and more. This is a great app if you feel like none of the other sleep apps for you, but here you can literally create a totally unique experience for yourself. Noisli gives the most on their free version compared to the other apps listed here. On their free version you have access to 16 (of the 28) sounds, 1/5 hours per day of streaming, 3 curated playlists, and a timer. Their paid version is $10.00 per month and offers access to all 28 of their sounds, unlimited streaming, 10 curated playlists, advanced timer, oscillation, and shuffle. Learn more here.